An American Army aviator watches from within his UH-60M helicopter, known as a ‘Blackhawk,’ on the tarmac at Ben Gurion Airport, in Lod outside Tel Aviv, Israel, 21 May 2017, as Israeli soldiers go through their final preparations for the arrival of US President Donald Trump. Trump is due to arrive on a direct flight from Saudi Arabia 22 May for a 28-hour visit to Israel and the Palestinian Authority areas.